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The aim of the present study has been to determine the effect of serotonin (5-HT) on the absorption of L-leucine across the rabbit jejunum. The results show that serotonin significantly diminishes the uptake and steady-state tissue accumulation and the mucosal to serosal flux of L-leucine. This effect does not change with previous intestinal exposure of the mucosa to the 5-HT. Serotonin does not...
Erythromycin has been shown to inhibit the intestinal transport of L-threonine and D-galactose in strips of mucosal jejunum when it was directly added to the incubation medium. Nevertheless, the effect of erythromycin administered therapeutically by intramuscular injection on both the intestinal absorption of nutrients and the intestinal digestive activity, remains unknown. The results obtained...
ALCALDE, A.I., M.A. PLAZA AND R. MARCO. Study of the binding of motilin to the membranes of enterocytes from rabbit jejunum. PEPTIDES 17(7) 1237–1241, 1996.—The results obtained in the present work have shown that [125I]motilin bound specifically to basolateral (BL) membrane but it did not bind to the brush border (BB) membrane of the rabbit jejunum enterocyte. The [125I]motilin dissociation constant...
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